Any man worth his salt should know the difference between cement, concrete, and mortar. I am not that man. They’re all just gray sludge to me. But This Old House explains the difference between the three in a very easy to understand way.
U.S. Marine Corps Corporal James Sauter captured the precise moment when a 120-mm mortar makes a fiery smoke ring in the sky during a training session for Operation Spartan Fury.